Home / 351,397.24-484,802.22-200,406.76

Finding the Fourth Proportional to 351,397.24, 484,802.22 and 200,406.76

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Solution

The fourth proportional to 351,397.24, 484,802.22 and 200,406.76 is: 276,489.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,397.24 : 484,802.22 = 200,406.76 : x
  2. Step 2: Convert to fraction form
    351,397.24/484,802.22 = 200,406.76/x
  3. Step 3: Cross multiply
    351,397.24x = 484,802.22 × 200,406.76
  4. Step 4: Simplify right side
    351,397.24x = 97,157,642,151.01
  5. Step 5: Solve for x
    x = 97,157,642,151.01/351,397.24
  6. Step 6: Final answer
    x = 276,489.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.